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ARCH Venture Fund XIII, L.P.

10% owner

ARCH Venture Fund XIII, L.P. (10% owner) filed 1 Form 4 report as a reporting entity in the trailing twelve months (1 purchase, 0 sales), most often in Lyell Immunopharma, Inc. (LYEL). Across 1 priced purchase filing, the average 21-session return was +0.4% from execution and -6.9% from disclosure (delay-adjusted; derived). The largest single filing was $12.5M of LYEL (488,090 sh × $25.61, as filed), executed Mar 6.

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Return, ttmiAverage return per filing, trailing twelve months
+0.4%
avg across 1 priced filings
Delay-adjustediThe same average, entered at disclosure dates
-6.9%
same 1 filings, from disclosure
Filings, ttm
1
1 buys · 0 sells
Median delay
3d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$12.5M
shares × price, as filed
Last traded
Mar 6
Filed Mar 9

Median ADV $2.9M across their filed names

Open performance
Volume by month
$12.5M$6.2M$0Oct 2024Apr 2025Oct 2025Apr 2026Mar 2026 · buys $12.5M
Buys $12.5M Sells $0

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Healthcare 1 filing

Sector per market data · by filing · past 12 months

Most traded names
LYEL Lyell Immunopharma, Inc. LYEL · 1 buy · 0 sells 1 filing
Recent filings
LYELPURCHASE Lyell Immunopharma, Inc. View filing → $12.5M
488,090 sh × $25.61
Exec Mar 6
Filed Mar 9 · 4:34 PM ET